Home / 42,610.70-63,915.45-19,237.10

Finding the Fourth Proportional to 42,610.70, 63,915.45 and 19,237.10

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Solution

The fourth proportional to 42,610.70, 63,915.45 and 19,237.10 is: 28,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610.70 : 63,915.45 = 19,237.10 : x
  2. Step 2: Convert to fraction form
    42,610.70/63,915.45 = 19,237.10/x
  3. Step 3: Cross multiply
    42,610.70x = 63,915.45 × 19,237.10
  4. Step 4: Simplify right side
    42,610.70x = 1,229,547,903.20
  5. Step 5: Solve for x
    x = 1,229,547,903.20/42,610.70
  6. Step 6: Final answer
    x = 28,855.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.